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SQL JOIN - WHERE clause vs. ON clause
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They are not the same thing.
Consider these queries:
SELECT *
FROM Orders
LEFT JOIN OrderLines ON OrderLines.OrderID=Orders.ID
WHERE Orders.ID = 12345
and
SELECT *
FROM Orders
LEFT JOIN OrderLines ON OrderLines.OrderID=Orders.ID
AND Orders.ID = 12345
The first will re...
How to get a group of toggle buttons to act like radio buttons in WPF?
...ike toggle buttons, but also as radio buttons where only one button can be selected / pressed down at a current time. It also need to have a state where none of the buttons are selected / pressed down.
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How to run a PowerShell script from a batch file
... answered Mar 29 '14 at 19:38
Root LoopRoot Loop
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Select first occurring element after another element
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#many .more.selectors h4 + p { ... }
This is called the adjacent sibling selector.
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Receiver not registered exception error?
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The root of your problem is located here:
unregisterReceiver(batteryNotifyReceiver);
If the receiver was already unregistered (probably in the code that you didn't include in this post) or was not registered, then call to unr...
“Unresolved inclusion” error with Eclipse CDT for C standard library headers
...lipse, you open the Properties of your project, expand "C/C++ General" and select "Paths and Symbols".
Make sure you have added the include dir for each language you are using. (In my case, I needed to just add it to GNU C++.)
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Delete all local git branches
...git/
$ touch README; git add README; git commit -m 'First commit'
[master (root-commit) 1d738b5] First commit
0 files changed, 0 insertions(+), 0 deletions(-)
create mode 100644 README
$ git branch Story-123-a
$ git branch Story-123-b
$ git branch Story-123-c
$ git branch --merged
Story-123-a
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Elasticsearch query to return all records
...penders, main ERROR Unable to locate appender "rolling" for logger config "root" No logs in /var/log/elasticsearch/elasticsearch.log
– stelios
Aug 8 '18 at 18:03
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Use rvmrc or ruby-version file to set a project gemset with RVM?
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You can try both.
Go to the root of your project, create a .rvmrc file (touch .rvmrc), then edit
rvm use 2.0.0-p451@your_gemset (your ruby version and gemset name).
After save this file, you can type this command:
cd ../your_project (you're in your_pr...
Hidden Features of Visual Studio (2005-2010)?
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Make a selection with ALT pressed - selects a square of text instead of whole lines.
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answered Sep 19 ...